It’s not just astrophysics; other sciences are also grappling with issues surrounding software release, transparency of research, and collaboratively sharing codes.

The challenge of software licensing came up in the AAS 223 Special Session on code sharing; ASCL advisor Bruce Berriman followed up on this issue with a post on Astronomy Computing Today, and I’ve recently run across A Quick Guide to Software Licensing for the Scientist-Programmer, which also offers some guidance on this important issue.